diff --git a/datajpatest/pom.xml b/datajpatest/pom.xml
index b06b907..98580d8 100644
--- a/datajpatest/pom.xml
+++ b/datajpatest/pom.xml
@@ -29,7 +29,17 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-web</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-maven-plugin</artifactId>
+			<version>2.5.3</version>
+		</dependency>
 
+		<dependency>
+			<groupId>org.hibernate.validator</groupId>
+			<artifactId>hibernate-validator</artifactId>
+			<version>6.2.0.Final</version>
+		</dependency>
 		<dependency>
 			<groupId>javax.validation</groupId>
 			<artifactId>validation-api</artifactId>
@@ -76,6 +86,12 @@
 			<version>1.4.200</version>
 			<scope>test</scope>
 		</dependency>
+        <dependency>
+            <groupId>org.spockframework</groupId>
+            <artifactId>spock-core</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
 
 	</dependencies>
 
diff --git a/datajpatest/src/main/java/com/example/datajpatest/controller/MemberController.java b/datajpatest/src/main/java/com/example/datajpatest/controller/MemberController.java
index 1ee297b..f34c566 100644
--- a/datajpatest/src/main/java/com/example/datajpatest/controller/MemberController.java
+++ b/datajpatest/src/main/java/com/example/datajpatest/controller/MemberController.java
@@ -7,6 +7,7 @@
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
+import javax.validation.Valid;
 import java.net.URI;
 
 import static org.springframework.hateoas.server.mvc.WebMvcLinkBuilder.linkTo;
@@ -22,7 +23,7 @@ public MemberController(MemberRepository memberRepository) {
     }
 
     @PostMapping("/member")
-    public ResponseEntity<Void> joinMember(@RequestBody MemberJoinRequest request) {
+    public ResponseEntity<Void> joinMember(@Valid @RequestBody MemberJoinRequest request) {
         MemberJpaEntity entity = MemberJpaEntity.from(request);
         MemberJpaEntity saved = memberRepository.save(entity);
         final Long memberId = saved.getId();
diff --git a/datajpatest/src/main/java/com/example/datajpatest/controller/MemberJoinRequest.java b/datajpatest/src/main/java/com/example/datajpatest/controller/MemberJoinRequest.java
index a88cb44..84d675c 100644
--- a/datajpatest/src/main/java/com/example/datajpatest/controller/MemberJoinRequest.java
+++ b/datajpatest/src/main/java/com/example/datajpatest/controller/MemberJoinRequest.java
@@ -2,17 +2,21 @@
 
 import com.example.datajpatest.model.Member;
 import lombok.Getter;
+import lombok.Setter;
 
-import java.beans.ConstructorProperties;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Pattern;
 
 @Getter
+@Setter
 public class MemberJoinRequest implements Member {
-    private final Long id;
-    private final String name;
+    @NotNull
+    private Long id;
+    @NotBlank
+    private String name;
+    @NotNull
+    @Pattern(regexp = "[0-9]{10}|[0-9]{3}-[0-9]{2}-[0-9]{5}", message = "10자리의 숫자 또는 대시를 포함한 12자리의 숫자만 입력가능합니다.")
+    private String businessNumber;
 
-    @ConstructorProperties({"id", "name"})
-    public MemberJoinRequest(Long id, String name) {
-        this.id = id;
-        this.name = name;
-    }
 }
diff --git a/datajpatest/src/test/java/com/example/datajpatest/controller/MemberJoinRequestSpec.groovy b/datajpatest/src/test/java/com/example/datajpatest/controller/MemberJoinRequestSpec.groovy
new file mode 100644
index 0000000..8635a86
--- /dev/null
+++ b/datajpatest/src/test/java/com/example/datajpatest/controller/MemberJoinRequestSpec.groovy
@@ -0,0 +1,114 @@
+package com.example.datajpatest.controller
+
+import spock.lang.Shared
+import spock.lang.Specification
+import spock.lang.Subject
+import spock.lang.Unroll
+
+import javax.validation.ConstraintViolation
+import javax.validation.Validation
+import javax.validation.Validator
+import javax.validation.ValidatorFactory
+
+class MemberJoinRequestSpec extends Specification {
+
+    @Subject
+    private MemberJoinRequest sut
+
+    @Shared
+    private Validator validator
+
+    def setupSpec() {
+        ValidatorFactory factory = Validation.buildDefaultValidatorFactory()
+        validator = factory.getValidator()
+    }
+
+    def setup() {
+        sut = getNoConstraintValidationMemberJoinRequest()
+    }
+
+    @Unroll
+    def "사업자 등록번호가 #testBusinessNumber 를 허용한다."() {
+        given:
+        sut.setBusinessNumber(testBusinessNumber)
+
+        when:
+        Set<ConstraintViolation<MemberJoinRequest>> constraintViolations = validator.validate(sut)
+
+        then:
+        noConstraintViolation(constraintViolations)
+
+        where:
+        testBusinessNumber << ['1448125784', '144-81-25784']
+    }
+
+    def "사업자 등록번호는 null 을 허용하지 않는다."() {
+        given:
+        sut.setBusinessNumber(null)
+
+        when:
+        Set<ConstraintViolation<MemberJoinRequest>> constraintViolations = validator.validate(sut)
+
+        then:
+        constraintViolations.size() == 1
+        with(constraintViolations[0]) {
+            propertyPath.toString() == 'businessNumber'
+            invalidValue == null
+            messageTemplate == '{javax.validation.constraints.NotNull.message}'
+        }
+    }
+
+    @Unroll
+    def "사업자 등록번호는 #testBusinessNumber.length() 자리를 허용하지 않는다."() {
+        given:
+        sut.setBusinessNumber(testBusinessNumber)
+
+        when:
+        Set<ConstraintViolation<MemberJoinRequest>> constraintViolations = validator.validate(sut)
+
+        then:
+        constraintViolations.size() == 1
+        with(constraintViolations[0]) {
+            propertyPath.toString() == 'businessNumber'
+            invalidValue.toString() == testBusinessNumber
+            message == '10자리의 숫자 또는 대시를 포함한 12자리의 숫자만 입력가능합니다.'
+        }
+
+        where:
+        testBusinessNumber << ['', '1', '123456789', '12345678901', '1234567890123', '12345678901234']
+    }
+
+    @Unroll
+    def "사업자 등록번호는 문자열 #testBusinessNumber (#testBusinessNumber.length()) 을 허용하지 않는다."() {
+        given:
+        sut.setBusinessNumber(testBusinessNumber)
+
+        when:
+        Set<ConstraintViolation<MemberJoinRequest>> constraintViolations = validator.validate(sut)
+
+        then:
+        constraintViolations.size() == 1
+        with(constraintViolations[0]) {
+            propertyPath.toString() == 'businessNumber'
+            invalidValue.toString() == testBusinessNumber
+            message == '10자리의 숫자 또는 대시를 포함한 12자리의 숫자만 입력가능합니다.'
+        }
+
+        where:
+        testBusinessNumber << ['apple', 'tablelands']
+    }
+
+
+    static def getNoConstraintValidationMemberJoinRequest() {
+        def req = new MemberJoinRequest()
+        req.id = 1
+        req.name = "테스터"
+        req.businessNumber = "1234567890"
+        return req
+    }
+
+    static def noConstraintViolation(Set<ConstraintViolation<MemberJoinRequest>> constraintViolations) {
+        constraintViolations.isEmpty()
+    }
+
+}